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Laszlo Kishalmi commented on NETBEANS-1794: ------------------------------------------- Are you just seeing this warning or the NetBeans really fails to start? As the release manager of NetBeans 10.0, I work every day with NetBeans 8.2+ every day with many JDK-s and many development versions. Actually my main operating system is Ubuntu 18.04. NetBeans runs well on Ubuntu 18.04, if you are using JDK 9.0 or above the mentioned warnings are displayed, but do not cause any problems. We need to be prepared for the modular JDK-s, though we also wanted to keep the compatibility with Java 8, and these warnings are the result of that. > Launch failure Ubuntu 18.04 & Netbeans > -------------------------------------- > > Key: NETBEANS-1794 > URL: https://issues.apache.org/jira/browse/NETBEANS-1794 > Project: NetBeans > Issue Type: Bug > Affects Versions: 9.0 > Reporter: Richard Steele > Priority: Minor > > After install netbeans completed, then launch get messages: > netbeans > WARNING: An illegal reflective access operation has occurred > WARNING: Illegal reflective access by > org.netbeans.ProxyURLStreamHandlerFactory > (file:/usr/share/netbeans/platform18/lib/boot.jar) to field > java.net.URL.handler > WARNING: Please consider reporting this to the maintainers of > org.netbeans.ProxyURLStreamHandlerFactory > WARNING: Use --illegal-access=warn to enable warnings of further illegal > reflective access operations > WARNING: All illegal access operations will be denied in a future release > Is there a missing JAVA package to be installed? -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@netbeans.apache.org For additional commands, e-mail: commits-h...@netbeans.apache.org For further information about the NetBeans mailing lists, visit: https://cwiki.apache.org/confluence/display/NETBEANS/Mailing+lists